From 103c5448ace009f583e88df22a39affd0ba0c2cb Mon Sep 17 00:00:00 2001
From: Phillip Whelan <phil@calyptia.com>
Date: Tue, 6 Feb 2024 17:27:43 -0300
Subject: [PATCH] out_calyptia: add missing parameter for msgpack_str for
 windows os field.

Signed-off-by: Phillip Whelan <phil@calyptia.com>
---
 plugins/out_calyptia/calyptia.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/out_calyptia/calyptia.c b/plugins/out_calyptia/calyptia.c
index b56b2e4c487..aa760e2fa5e 100644
--- a/plugins/out_calyptia/calyptia.c
+++ b/plugins/out_calyptia/calyptia.c
@@ -244,7 +244,7 @@ static flb_sds_t get_agent_metadata(struct flb_calyptia *ctx)
     msgpack_pack_str_body(&mp_pck, "os", 2);
 #ifdef FLB_SYSTEM_WINDOWS
     len = strlen("windows");
-    msgpack_pack_str(&mp_pck);
+    msgpack_pack_str(&mp_pck, len);
     msgpack_pack_str_body(&mp_pck, "windows", len);
 #elif FLB_SYSTEM_MACOS
     len = strlen("macos");